RLE:Bookendssiamesetables

1. N Bookends siamese tables
2. C A 22-bit still life.
3. C https://conwaylife.com/wiki/Bookends_siamese_tables

x = 7, y = 7, rule = B3/S23 2o3b2o$obobobo$2bobo$b2ob2o$2bobo$2bobo$b2ob2o!